dwell on/upon something phrasal verb ( see also ↑ dwell )
to think or talk for too long about something, especially something unpleasant:
That is not a subject I want to dwell on.
dwell on/upon something phrasal verb ( see also ↑ dwell )
to think or talk for too long about something, especially something unpleasant:
That is not a subject I want to dwell on.
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012